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摘要
申请公布号
US2533856(A)
申请公布日期
1950.12.12
申请号
US19490095007
申请日期
1949.05.24
申请人
BUREN HARRY VAN
发明人
BUREN HARRY VAN
分类号
B41J29/15
主分类号
B41J29/15
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